Home / 13,228.73-19,842.78-3,368.02

Finding the Fourth Proportional to 13,228.73, 19,842.78 and 3,368.02

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Solution

The fourth proportional to 13,228.73, 19,842.78 and 3,368.02 is: 5,051.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228.73 : 19,842.78 = 3,368.02 : x
  2. Step 2: Convert to fraction form
    13,228.73/19,842.78 = 3,368.02/x
  3. Step 3: Cross multiply
    13,228.73x = 19,842.78 × 3,368.02
  4. Step 4: Simplify right side
    13,228.73x = 66,830,879.90
  5. Step 5: Solve for x
    x = 66,830,879.90/13,228.73
  6. Step 6: Final answer
    x = 5,051.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.